Home / 12,754.32-17,600.24-7,449.36

Finding the Fourth Proportional to 12,754.32, 17,600.24 and 7,449.36

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Solution

The fourth proportional to 12,754.32, 17,600.24 and 7,449.36 is: 10,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.32 : 17,600.24 = 7,449.36 : x
  2. Step 2: Convert to fraction form
    12,754.32/17,600.24 = 7,449.36/x
  3. Step 3: Cross multiply
    12,754.32x = 17,600.24 × 7,449.36
  4. Step 4: Simplify right side
    12,754.32x = 131,110,523.85
  5. Step 5: Solve for x
    x = 131,110,523.85/12,754.32
  6. Step 6: Final answer
    x = 10,279.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.